# Does Middlesex Water Company’s (NASDAQ:MSEX) P/E Ratio Signal A Buying Opportunity?

Today, we’ll introduce the concept of the P/E ratio for those who are learning about investing. We’ll show how you can use Middlesex Water Company’s (NASDAQ:MSEX) P/E ratio to inform your assessment of the investment opportunity. Looking at earnings over the last twelve months, Middlesex Water has a P/E ratio of 28.85. That is equivalent to an earnings yield of about 3.5%.

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### How Do You Calculate A P/E Ratio?

The formula for P/E is:

Price to Earnings Ratio = Share Price ÷ Earnings per Share (EPS)

Or for Middlesex Water:

P/E of 28.85 = \$60.45 ÷ \$2.1 (Based on the year to March 2019.)

### Is A High Price-to-Earnings Ratio Good?

A higher P/E ratio means that buyers have to pay a higher price for each \$1 the company has earned over the last year. That isn’t necessarily good or bad, but a high P/E implies relatively high expectations of what a company can achieve in the future.

### How Growth Rates Impact P/E Ratios

Earnings growth rates have a big influence on P/E ratios. If earnings are growing quickly, then the ‘E’ in the equation will increase faster than it would otherwise. That means unless the share price increases, the P/E will reduce in a few years. A lower P/E should indicate the stock is cheap relative to others — and that may attract buyers.

Middlesex Water’s 51% EPS improvement over the last year was like bamboo growth after rain; rapid and impressive. The sweetener is that the annual five year growth rate of 15% is also impressive. So I’d be surprised if the P/E ratio was not above average.

### Does Middlesex Water Have A Relatively High Or Low P/E For Its Industry?

The P/E ratio essentially measures market expectations of a company. We can see in the image below that the average P/E (33.3) for companies in the water utilities industry is higher than Middlesex Water’s P/E.

This suggests that market participants think Middlesex Water will underperform other companies in its industry. Many investors like to buy stocks when the market is pessimistic about their prospects. It is arguably worth checking if insiders are buying shares, because that might imply they believe the stock is undervalued.

### A Limitation: P/E Ratios Ignore Debt and Cash In The Bank

Don’t forget that the P/E ratio considers market capitalization. So it won’t reflect the advantage of cash, or disadvantage of debt. The exact same company would hypothetically deserve a higher P/E ratio if it had a strong balance sheet, than if it had a weak one with lots of debt, because a cashed up company can spend on growth.

Such expenditure might be good or bad, in the long term, but the point here is that the balance sheet is not reflected by this ratio.

### So What Does Middlesex Water’s Balance Sheet Tell Us?

Middlesex Water has net debt worth 22% of its market capitalization. It would probably deserve a higher P/E ratio if it was net cash, since it would have more options for growth.

### The Bottom Line On Middlesex Water’s P/E Ratio

Middlesex Water has a P/E of 28.9. That’s higher than the average in the US market, which is 17.9. The company is not overly constrained by its modest debt levels, and its recent EPS growth is nothing short of stand-out. So to be frank we are not surprised it has a high P/E ratio.

Investors have an opportunity when market expectations about a stock are wrong. People often underestimate remarkable growth — so investors can make money when fast growth is not fully appreciated. So this free visualization of the analyst consensus on future earnings could help you make the right decision about whether to buy, sell, or hold.

Of course, you might find a fantastic investment by looking at a few good candidates. So take a peek at this free list of companies with modest (or no) debt, trading on a P/E below 20.

We aim to bring you long-term focused research analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.

If you spot an error that warrants correction, please contact the editor at editorial-team@simplywallst.com. This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. Simply Wall St has no position in the stocks mentioned. Thank you for reading.